Garland health officials on Friday morning confirmed the city's first human case of West Nile Virus this year.The victim lives in the 500 block of Twilight Drive, about a mile northeast of downtown Garland. The area was sprayed Thursday night.Former SMU vice chairman, 81-year-old Charles Pistor of Highland Park, died of the virus on Wednesday, the second known West Nile death in Dallas County and the nation in 2012.Like other area cities, Garland reports an active mosquito season following heavy spring rains. There have been 24 positive tests from mosquito pools throughout Garland this year.